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<h1 class="title">QQmlPropertyValueSource <span lang="zh-cn">类</span></h1>
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<p><a href="qqmlpropertyvaluesource.html">QQmlPropertyValueSource</a>类是属性值源(如动画和绑定)的接口。 <a href="#details">更多...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign">头文件：</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QQmlPropertyValueSource&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += qml</td></tr></table></div><ul>
<li><a href="qqmlpropertyvaluesource-members.html">所有成员的列表，包括继承成员</a></li>
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<h2 id="public-functions">公用函数</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qqmlpropertyvaluesource.html#QQmlPropertyValueSource">QQmlPropertyValueSource</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qqmlpropertyvaluesource.html#dtor.QQmlPropertyValueSource">~QQmlPropertyValueSource</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qqmlpropertyvaluesource.html#setTarget">setTarget</a></b>(const QQmlProperty &amp;<i>property</i>) = 0</td></tr>
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<h2 id="details">详细信息</h2>
<p>&nbsp;<a href="qqmlpropertyvaluesource.html">QQmlPropertyValueSource</a>类是属性值源(如动画和绑定)的接口。</p>
<p>有关编写自定义属性值源的信息，请参阅<a href="qtqml-cppintegration-definetypes.html#property-value-sources">属性值源</a>。</p>
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<h2>成员函数的文档</h2>
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<h3 class="fn" id="QQmlPropertyValueSource"><a name="QQmlPropertyValueSource"></a>QQmlPropertyValueSource::<span class="name">QQmlPropertyValueSource</span>()</h3>
<p>构造一个<a href="qqmlpropertyvaluesource.html">QQmlPropertyValueSource</a>。</p>
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<!-- $$$~QQmlPropertyValueSource[overload1]$$$~QQmlPropertyValueSource -->
<h3 class="fn" id="dtor.QQmlPropertyValueSource"><a name="dtor.QQmlPropertyValueSource"></a><code>[virtual] </code>QQmlPropertyValueSource::<span class="name">~QQmlPropertyValueSource</span>()</h3>
<p><span lang="zh-cn">销毁属性值源。</span></p>
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<!-- $$$setTarget[overload1]$$$setTargetconstQQmlProperty& -->
<h3 class="fn" id="setTarget"><a name="setTarget"></a><code>[pure virtual] </code><span class="type">void</span> QQmlPropertyValueSource::<span class="name">setTarget</span>(const <span class="type"><a href="qqmlproperty.html">QQmlProperty</a></span> &amp;<i>property</i>)</h3>
<p>为值源设置目标<i>property</i> <span lang="zh-cn">（</span>属性<span lang="zh-cn">）</span>。当分配值源时，QML引擎将调用此方法。</p>
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